Morrison Briggs
Insider transactions at 3 companies
This page shows all SEC Form 4 filings attributed to Morrison Briggs. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| ARVN | Purchase | 30,000 | $7.57 | $227,100 | Sep 22, 2025 | |
| ARVN | Award / Grant | 16,025 | — | — | Jun 25, 2025 | |
| ARVN | Award / Grant | 5,899 | — | — | May 29, 2024 | |
| SNDX | Award / Grant | 17,000 | — | — | Feb 7, 2024 | |
| SNDX | Option Exercise | 52,855 | $8.77 | $463,538 | Aug 9, 2023 | |
| SNDX | Option Exercise | 52,855 | $8.77 | $463,538 | Jul 10, 2023 | |
| ARVN | Award / Grant | 4,121 | — | — | Jun 15, 2023 | |
| SNDX | Option Exercise | 28,273 | $8.77 | $247,954 | Jun 9, 2023 | |
| SNDX | Sale | 52,855 | $21.41 | $1,131,626 | May 9, 2023 | |
| SNDX | Sale | 52,855 | $19.53 | $1,032,258 | Apr 10, 2023 | |
| SNDX | President, Head of R&D | Option Exercise | 52,854 | $6.38 | $337,209 | Mar 13, 2023 |
| CARM | Award / Grant | 12,175 | — | — | Mar 7, 2023 | |
| SNDX | President, Head of R&D | Sale | 52,854 | $26.83 | $1,418,073 | Feb 6, 2023 |
| SNDX | President, Head of R&D | Option Exercise | 114,339 | $10.90 | $1,246,295 | Sep 19, 2022 |
| SNDX | President, Head of R&D | Option Exercise | 66,775 | $7.20 | $480,780 | Sep 16, 2022 |
| SNDX | President, Head of R&D | Sale | 62,292 | $19.00 | $1,183,548 | Jul 1, 2022 |
| ARVN | Sale | 10,754 | $67.03 | $720,841 | Apr 14, 2022 | |
| SNDX | President, Head of R&D | Option Exercise | 70,545 | $7.20 | $507,924 | Apr 4, 2022 |
| SNDX | President, Head of R&D | Sale | 6,000 | $17.44 | $104,640 | Apr 4, 2022 |
| ARVN | Sale | 5,100 | $67.28 | $343,128 | Jan 14, 2022 | |
| SNDX | Chief Executive Officer | Option Exercise | 35,156 | $10.90 | $383,200 | Dec 17, 2021 |
| SNDX | Chief Executive Officer | Option Exercise | 70,262 | $7.20 | $505,886 | Sep 20, 2021 |
| 0001659352 | Purchase | 4,761 | $21.00 | $99,981 | Feb 17, 2021 | |
| SNDX | Chief Executive Officer | Sale | 35,156 | $20.55 | $722,456 | Feb 8, 2021 |
| SNDX | Chief Executive Officer | Other | 1,771 | $12.00 | $21,252 | Jan 31, 2021 |
| SNDX | Chief Executive Officer | Sale | 62,938 | $20.04 | $1,261,278 | Nov 9, 2020 |
| 0001808158 | Purchase | 4,800 | $20.00 | $96,000 | Jun 23, 2020 | |
| ARVN | Purchase | 2,500 | $38.18 | $95,450 | Mar 24, 2020 | |
| SNDX | Chief Executive Officer | Purchase | 12,500 | $8.00 | $100,000 | Feb 4, 2020 |
| SNDX | Chief Executive Officer | Purchase | 11,000 | $5.40 | $59,400 | Oct 10, 2019 |
| SNDX | Chief Executive Officer | Purchase | 7,200 | $7.29 | $52,488 | May 9, 2019 |